Optical imaging lens

ABSTRACT

An optical imaging lens may include a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element, an eighth lens element and a ninth lens element positioned in an order from an object side to an image side. Through designing concave and/or convex surfaces of the lens elements, the optical imaging lens may increase resolution, increase aperture stop and image height, and maintain well image quality.

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims priority to P.R.C. Patent Application No.202210032712.6 titled “Optical Imaging Lens,” filed on Jan. 12, 2022,with the China National Intellectual Property Administration (CNIPA) ofthe People's Republic of China.

TECHNICAL FIELD

The present disclosure relates to optical imaging lenses, andparticularly, optical imaging lenses having, in some embodiments, ninelens elements.

BACKGROUND

As the specifications of mobile electronical devices rapidly evolve,various types of key components, such as optical imaging lenses, aredeveloped. Desirable objectives for designing an optical imaging lensmay not be limited to great aperture stop and compact sizes, but mayalso include high pixel number along with high resolution. High pixelnumber implies that an image height must be increased by using a greaterimage sensor accepting imaging ray. Traditional designs providing highpixel number may force the resolution to be raised, and enlargingaperture stop in such designs will raise difficulty of design.Accordingly, adding lens elements in a limit system length, promotingresolution and enlarging aperture stop, along with increasing imageheight in an optical imaging lens may be a challenge in the industry.

SUMMARY

In light of aforesaid problems, the present disclosure provides foroptical imaging lenses showing a slim and compact appearance, small Fno,great image height and good imaging quality.

In an example embodiment, an optical imaging lens may be used forshooting a video or picture in a mobile electronical device, such ascell phone, digital camera, tablet computer, personal digital assistant(PDA), etc. The optical imaging lens may comprise nine lens elements,hereinafter referred to as first, second, third, fourth, fifth, sixth,seventh, eighth and ninth lens elements and positioned sequentially froman object side to an image side along an optical axis. Each of thefirst, second, third, fourth, fifth, sixth, seventh, eighth and ninthlens elements may also have an object-side surface facing toward theobject side and allowing imaging rays to pass through. Each of thefirst, second, third, fourth, fifth, sixth, seventh, eighth and ninthlens elements may also have an image-side surface facing toward theimage side and allowing the imaging rays to pass through. Throughconfiguration of convex/concave surface shape of the nine lens elements,the optical imaging lens may increase resolution and enlarge aperturestop and image height at the same time.

In the specification, parameters used here are defined as follows: Athickness of the first lens element along the optical axis isrepresented by T1. A distance from the image-side surface of the firstlens element to the object-side surface of the second lens element alongthe optical axis, i.e. an air gap between the first lens element and thesecond lens element along the optical axis, is represented by G12. Athickness of the second lens element along the optical axis isrepresented by T2. A distance from the image-side surface of the secondlens element to the object-side surface of the third lens element alongthe optical axis, i.e. an air gap between the second lens element andthe third lens element along the optical axis, is represented by G23. Athickness of the third lens element along the optical axis isrepresented by T3. A distance from the image-side surface of the thirdlens element to the object-side surface of the fourth lens element alongthe optical axis, i.e. an air gap between the third lens element and thefourth lens element along the optical axis, is represented by G34. Athickness of the fourth lens element along the optical axis isrepresented by T4. A distance from the image-side surface of the fourthlens element to the object-side surface of the fifth lens element alongthe optical axis, i.e. an air gap between the fourth lens element andthe fifth lens element along the optical axis, is represented by G45. Athickness of the fifth lens element along the optical axis isrepresented by T5. A distance from the image-side surface of the fifthlens element to the object-side surface of the sixth lens element alongthe optical axis, i.e. an air gap between the fifth lens element and thesixth lens element along the optical axis, is represented by G56. Athickness of the sixth lens element along the optical axis isrepresented by T6. A distance from the image-side surface of the sixthlens element to the object-side surface of the seventh lens elementalong the optical axis, i.e. an air gap between the sixth lens elementand the seventh lens element along the optical axis, is represented byG67. A thickness of the seventh lens element along the optical axis isrepresented by T7. A distance from the image-side surface of the seventhlens element to the object-side surface of the eighth lens element alongthe optical axis, i.e. an air gap between the seventh lens element andthe eighth lens element along the optical axis, is represented by G78. Athickness of the eighth lens element along the optical axis isrepresented by T8. A distance from the image-side surface of the eighthlens element to the object-side surface of the ninth lens element alongthe optical axis, i.e. an air gap between the eighth lens element andthe ninth lens element along the optical axis, is represented by G89. Athickness of the ninth lens element along the optical axis isrepresented by T9. An air gap between the ninth lens element and afiltering unit along the optical axis is represented by G9F. A thicknessof the filtering unit along the optical axis is represented by TTF. Anair gap between the filtering unit and an image plane along the opticalaxis is represented by GFP. A focal length of the first lens element isrepresented by f1. A focal length of the second lens element isrepresented by f2. A focal length of the third lens element isrepresented by f3. A focal length of the fourth lens element isrepresented by f4. A focal length of the fifth lens element isrepresented by f5. A focal length of the sixth lens element isrepresented by f6. A focal length of the seventh lens element isrepresented by f7. A focal length of the eighth lens element isrepresented by f8. A focal length of the ninth lens element isrepresented by f9. A refractive index of the first lens element isrepresented by n1. A refractive index of the second lens element isrepresented by n2. A refractive index of the third lens element isrepresented by n3. A refractive index of the fourth lens element isrepresented by n4. A refractive index of the fifth lens element isrepresented by n5. A refractive index of the sixth lens element isrepresented by n6. A refractive index of the seventh lens element isrepresented by n7. A refractive index of the eighth lens element isrepresented by n8. A refractive index of the ninth lens element isrepresented by n9. An Abbe number of the first lens element isrepresented by V1. An Abbe number of the second lens element isrepresented by V2. An Abbe number of the third lens element isrepresented by V3. An Abbe number of the fourth lens element isrepresented by V4. An Abbe number of the fifth lens element isrepresented by V5. An Abbe number of the sixth lens element isrepresented by V6. An Abbe number of the seventh lens element isrepresented by V7. An Abbe number of the eighth lens element isrepresented by V8. An Abbe number of the ninth lens element isrepresented by V9. A half field of view of the optical imaging lens isrepresented by HFOV. A f-number of the optical imaging lens isrepresented by Fno. An effective focal length of the optical imaginglens is represented by EFL. A distance from the object-side surface ofthe first lens element to the image plane along the optical axis, i.e. asystem length, is represented by TTL. A sum of thicknesses of all ninelens elements along the optical axis, i.e. a sum of T1, T2, T3, T4, T5,T6, T7, T8 and T9, is represented by ALT. A sum of the distance from theimage-side surface of the first lens element to the object-side surfaceof the second lens element along the optical axis, the distance from theimage-side surface of the second lens element to the object-side surfaceof the third lens element along the optical axis, the distance from theimage-side surface of the third lens element to the object-side surfaceof the fourth lens element along the optical axis, the distance from theimage-side surface of the fourth lens element to the object-side surfaceof the fifth lens element along the optical axis, the distance from theimage-side surface of the fifth lens element to the object-side surfaceof the sixth lens element along the optical axis, the distance from theimage-side surface of the sixth lens element to the object-side surfaceof the seventh lens element along the optical axis, the distance fromthe image-side surface of the seventh lens element to the object-sidesurface of the eighth lens element along the optical axis and thedistance from the image-side surface of the eighth lens element to theobject-side surface of the ninth lens element along the optical axis,i.e. a sum of G12, G23, G34, G45, G56, G67, G78 and G89, is representedby AAG. A back focal length of the optical imaging lens, which isdefined as the distance from the image-side surface of the ninth lenselement to the image plane along the optical axis, i.e. a sum of G9F,TTF and GFP is represented by BFL. A distance from the object-sidesurface of the first lens element to the image-side surface of the ninthlens element along the optical axis is represented by TL. An imageheight of the optical imaging lens is represented by ImgH. An entrancepupil diameter of the optical imaging lens, equal to an effective focallength of the optical imaging lens divided the f-number of the opticalimaging lens, is represented by EPD. A maximum value of the ninethicknesses of lens elements from the first lens element to the ninthlens element along the optical axis, i.e. the maximum among T1, T2, T3,T4, T5, T6, T7, T8, T9, is represented by Tmax. A minimum value of thenine thicknesses of lens elements from the first lens element to theninth lens element along the optical axis, i.e. the minimum among T1,T2, T3, T4, T5, T6, T7, T8, T9, is represented by Tmin. A second minimumvalue of the nine thicknesses of lens elements from the first lenselement to the ninth lens element along the optical axis, i.e. thesecond minimum among T1, T2, T3, T4, T5, T6, T7, T8, T9, is representedby Tmin2. An average value of the nine thicknesses of lens elements fromthe first lens element to the ninth lens element along the optical axis,i.e. the average value of T1, T2, T3, T4, T5, T6, T7, T8, T9, isrepresented by Tavg. An average value of four thicknesses of lenselements from the second lens element to the fifth lens element alongthe optical axis, i.e. the average value of T2, T3, T4, T5, isrepresented by Tavg2345. An average value of three thicknesses of lenselements from the second lens element to the fourth lens element alongthe optical axis, i.e. the average value of T2, T3, T4, is representedby Tavg234. An average value of three thicknesses of lens elements fromthe seventh lens element to the ninth lens element along the opticalaxis, i.e. the average value of T7, T8, T9, is represented by Tavg789. Apopulation standard deviation of the four thicknesses of lens elementsfrom the second lens element to the fifth lens element along the opticalaxis, i.e. the population standard deviation of T2, T3, T4, T5, isrepresented by Tstd2345. A population standard deviation of the threethicknesses of lens elements from the second lens element to the fourthlens element along the optical axis, i.e. the population standarddeviation of T2, T3, T4, is represented by Tstd234. A populationstandard deviation of the three thicknesses of lens elements from theseventh lens element to the ninth lens element along the optical axis,i.e. the population standard deviation of T7, T8, T9, is represented byTstd789. A distance from the object-side surface of the first lenselement to the image-side surface of the fourth lens element along theoptical axis is represented by D11t42. A distance from the object-sidesurface of the second lens element to the image-side surface of thefourth lens element along the optical axis is represented by D21t42. Adistance from the object-side surface of the fifth lens element to theimage-side surface of the sixth lens element along the optical axis isrepresented by D51t62. A distance from the object-side surface of thefirst lens element to the image-side surface of the sixth lens elementalong the optical axis is represented by D11t62. A distance from theimage-side surface of the seventh lens element to the image-side surfaceof the ninth lens element along the optical axis is represented byD72t92.

In an aspect of the present disclosure, in the optical imaging lens, thefirst lens element has positive refracting power, a periphery region ofthe image-side surface of the third lens element is convex, a peripheryregion of the image-side surface of the fourth lens element is convex,an optical axis region of the image-side surface of the sixth lenselement is concave, an optical axis region of the object-side surface ofthe seventh lens element is convex, an optical axis region of theobject-side surface of the ninth lens element is convex, an optical axisregion of the image-side surface of the ninth lens element is concave,lens elements of the optical imaging lens are only the nine lenselements describe above, and the optical imaging lens satisfies theinequality:

Tavg789/Tstd789≥2.900  Inequality (1).

In another aspect of the present disclosure, in the optical imaginglens, the first lens element has positive refracting power, and aperiphery region of the image-side surface of the first lens element isconcave, an optical axis region of the image-side surface of the thirdlens element is convex, a periphery region of the image-side surface ofthe fourth lens element is convex, an optical axis region of theobject-side surface of the fifth lens element is concave, an opticalaxis region of the object-side surface of the seventh lens element isconvex, a periphery region of the object-side surface of the ninth lenselement is concave, lens elements of the optical imaging lens are onlythe nine lens elements describe above, and the optical imaging lenssatisfies Inequality (1).

In yet another aspect of the present disclosure, in the optical imaginglens, the first lens element has positive refracting power, an opticalaxis region of the image-side surface of the third lens element isconvex, and a periphery region of the image-side surface of the thirdlens element is convex, an optical axis region of the object-sidesurface of the fifth lens element is concave, an optical axis region ofthe image-side surface of the sixth lens element is concave, a peripheryregion of the object-side surface of the ninth lens element is concave,lens elements of the optical imaging lens are only the nine lenselements describe above, and the optical imaging lens satisfiesInequality (1).

In another example embodiment, other inequality(s), such as thoserelating to the ratio among parameters could be taken intoconsideration. For example:

Tavg2345/Tstd2345≥2.200  Inequality (2);

(EFL+ImgH)/D11t42≥4.000  Inequality (3);

(T1+T2+G23)/G12≤4.900  Inequality (4);

Fno*TTL/(T6+T7+T8+T9)≤6.200  Inequality (5);

(D21t42+D51t62)/(G45+G67)≤5.200  Inequality (6);

D11t62/(Tmax+Tmin)≤3.600  Inequality (7);

Tavg234/Tstd234≥2.300  Inequality (8);

V8+V9≤100.000  Inequality (9);

D11t42/G45≤7.700  Inequality (10);

(AAG+BFL)/(T1+T3)≤3.100  Inequality (11);

Fno*(D21t42+D51t62)/(T1+G12)≤3.900  Inequality (12);

Fno*D11t62/D72t92≤4.100  Inequality (13);

(EPD+TL)/D11t42≥3.800  Inequality (14);

D51t62/G67≤7.500  Inequality (15);

ALT/(T3+T7+T9)≤2.900  Inequality (16);

(T2+G23+T5+G56)/T3≤2.100  Inequality (17); and/or

HFOV/Fno≥22.000 degrees  Inequality (18).

In some example embodiments, more details about the convex or concavesurface structure, refracting power or chosen material etc. could beincorporated for one specific lens element or broadly for a plurality oflens elements to improve the control for the system performance and/orresolution. It is noted that the details listed herein could beincorporated in example embodiments if no inconsistency occurs.

It is readily understood that through controlling the convex or concaveshape of the surfaces, the optical imaging lens of the present inventionmay provide for increased resolution, enlarged aperture stop and imageheight and good imaging quality.

BRIEF DESCRIPTION OF THE DRAWINGS

Example embodiments will be more readily understood from the followingdetailed description when read in conjunction with the appended drawing,in which:

FIG. 1 depicts a cross-sectional view of one single lens elementaccording to the present disclosure;

FIG. 2 depicts a cross-sectional view showing the relation between theshape of a portion and the position where a collimated ray meets theoptical axis;

FIG. 3 depicts a cross-sectional view showing a first example ofdetermining the shape of lens element regions and the boundaries ofregions;

FIG. 4 depicts a cross-sectional view showing a second example ofdetermining the shape of lens element regions and the boundaries ofregions;

FIG. 5 depicts a cross-sectional view showing a third example ofdetermining the shape of lens element regions and the boundaries ofregions;

FIG. 6 depicts a cross-sectional view of a first embodiment of anoptical imaging lens according to the present disclosure;

FIGS. 7A, 7B, 7C and 7D depict charts of a longitudinal sphericalaberration and other kinds of optical aberrations of a first embodimentof the optical imaging lens according to the present disclosure;

FIG. 8 depicts a table of optical data for each lens element of a firstembodiment of an optical imaging lens according to the presentdisclosure;

FIG. 9 depicts a table of aspherical data of a first embodiment of theoptical imaging lens according to the present disclosure;

FIG. 10 depicts a cross-sectional view of a second embodiment of anoptical imaging lens according to the present disclosure;

FIGS. 11A, 11B, 11C and 11D depict charts of a longitudinal sphericalaberration and other kinds of optical aberrations of a second embodimentof the optical imaging lens according to the present disclosure;

FIG. 12 depicts a table of optical data for each lens element of theoptical imaging lens of a second embodiment of the present disclosure;

FIG. 13 depicts a table of aspherical data of a second embodiment of theoptical imaging lens according to the present disclosure;

FIG. 14 depicts a cross-sectional view of a third embodiment of anoptical imaging lens according to the present disclosure;

FIGS. 15A, 15B, 15C and 15D depict charts of a longitudinal sphericalaberration and other kinds of optical aberrations of a third embodimentof the optical imaging lens according to the present disclosure;

FIG. 16 depicts a table of optical data for each lens element of theoptical imaging lens of a third embodiment of the present disclosure;

FIG. 17 depicts a table of aspherical data of a third embodiment of theoptical imaging lens according to the present disclosure;

FIG. 18 depicts a cross-sectional view of a fourth embodiment of anoptical imaging lens according to the present disclosure;

FIGS. 19A, 19B, 19C and 19D depict charts of a longitudinal sphericalaberration and other kinds of optical aberrations of a fourth embodimentof the optical imaging lens according to the present disclosure;

FIG. 20 depicts a table of optical data for each lens element of theoptical imaging lens of a fourth embodiment of the present disclosure;

FIG. 21 depicts a table of aspherical data of a fourth embodiment of theoptical imaging lens according to the present disclosure;

FIG. 22 depicts a cross-sectional view of a fifth embodiment of anoptical imaging lens according to the present disclosure;

FIGS. 23A, 23B, 23C and 23D depict charts of a longitudinal sphericalaberration and other kinds of optical aberrations of a fifth embodimentof the optical imaging lens according to the present disclosure;

FIG. 24 depicts a table of optical data for each lens element of theoptical imaging lens of a fifth embodiment of the present disclosure;

FIG. 25 depicts a table of aspherical data of a fifth embodiment of theoptical imaging lens according to the present disclosure;

FIG. 26 depicts a cross-sectional view of a sixth embodiment of anoptical imaging lens according to the present disclosure;

FIGS. 27A, 27B, 27C and 27D depict charts of a longitudinal sphericalaberration and other kinds of optical aberrations of a sixth embodimentof the optical imaging lens according the present disclosure;

FIG. 28 depicts a table of optical data for each lens element of theoptical imaging lens of a sixth embodiment of the present disclosure;

FIG. 29 depicts a table of aspherical data of a sixth embodiment of theoptical imaging lens according to the present disclosure;

FIG. 30 depicts a cross-sectional view of a seventh embodiment of anoptical imaging lens according to the present disclosure;

FIGS. 31A, 31B, 31C and 31D depict charts of a longitudinal sphericalaberration and other kinds of optical aberrations of a seventhembodiment of the optical imaging lens according to the presentdisclosure;

FIG. 32 depicts a table of optical data for each lens element of aseventh embodiment of an optical imaging lens according to the presentdisclosure;

FIG. 33 depicts a table of aspherical data of a seventh embodiment ofthe optical imaging lens according to the present disclosure;

FIG. 34 depicts a cross-sectional view of an eighth embodiment of anoptical imaging lens according to the present disclosure;

FIGS. 35A, 35B, 35C and 35D depict charts of a longitudinal sphericalaberration and other kinds of optical aberrations of an eighthembodiment of the optical imaging lens according to the presentdisclosure;

FIG. 36 depicts a table of optical data for each lens element of aneighth embodiment of an optical imaging lens according to the presentdisclosure;

FIG. 37 depicts a table of aspherical data of an eighth embodiment ofthe optical imaging lens according to the present disclosure;

FIG. 38 depicts a cross-sectional view of a ninth embodiment of anoptical imaging lens according to the present disclosure;

FIGS. 39A, 39B, 39C and 39D depict charts of a longitudinal sphericalaberration and other kinds of optical aberrations of a ninth embodimentof the optical imaging lens according to the present disclosure;

FIG. 40 depicts a table of optical data for each lens element of a ninthembodiment of an optical imaging lens according to the presentdisclosure;

FIG. 41 depicts a table of aspherical data of a ninth embodiment of theoptical imaging lens according to the present disclosure;

FIG. 42 depicts a cross-sectional view of a tenth embodiment of anoptical imaging lens according to the present disclosure;

FIGS. 43A, 43B, 43C and 43D depict charts of a longitudinal sphericalaberration and other kinds of optical aberrations of a tenth embodimentof the optical imaging lens according to the present disclosure;

FIG. 44 depicts a table of optical data for each lens element of a tenthembodiment of an optical imaging lens according to the presentdisclosure;

FIG. 45 depicts a table of aspherical data of a tenth embodiment of theoptical imaging lens according to the present disclosure;

FIGS. 46A and 46B depict tables for the values of Tavg789/Tstd789,Tavg2345/Tstd2345, (EFL+ImgH)/D11t42, (T1+T2+G23)/G12,Fno*TTL/(T6+T7+T8+T9), (D21t42+D51t62)/(G45+G67), D11t62/(Tmax+Tmin),Tavg234/Tstd234, V8+V9, D11t42/G45, (AAG+BFL)/(T1+T3),Fno*(D21t42+D51t62)/(T1+G12), Fno*D11t62/D72t92, (EPD+TL)/D11t42,D51t62/G67, ALT/(T3+T7+T9), (T2+G23+T5+G56)/T3 and HFOV/Fno of all tenexample embodiments.

DETAILED DESCRIPTION

For a more complete understanding of the present disclosure and itsadvantages, reference is now made to the following description taken inconjunction with the accompanying drawings, in which like referencenumbers indicate like features. Persons of ordinary skill in the arthaving the benefit of the present disclosure will understand othervariations for implementing embodiments within the scope of the presentdisclosure, including those specific examples described herein. Thedrawings are not limited to specific scale and similar reference numbersare used for representing similar elements. As used in the disclosuresand the appended claims, the terms “example embodiment,” “exemplaryembodiment,” and “present embodiment” do not necessarily refer to asingle embodiment, although it may, and various example embodiments maybe readily combined and interchanged, without departing from the scopeor spirit of the present disclosure. Furthermore, the terminology asused herein is for the purpose of describing example embodiments onlyand is not intended to be a limitation of the disclosure. In thisrespect, as used herein, the term “in” may include “in” and “on”, andthe terms “a”, “an” and “the” may include singular and pluralreferences. Furthermore, as used herein, the term “by” may also mean“from”, depending on the context. Furthermore, as used herein, the term“if” may also mean “when” or “upon”, depending on the context.Furthermore, as used herein, the words “and/or” may refer to andencompass any and all possible combinations of one or more of theassociated listed items.

The terms “optical axis region”, “periphery region”, “concave”, and“convex” used in this specification and claims should be interpretedbased on the definition listed in the specification by the principle oflexicographer.

In the present disclosure, the optical system may comprise at least onelens element to receive imaging rays that are incident on the opticalsystem over a set of angles ranging from parallel to an optical axis toa half field of view (HFOV) angle with respect to the optical axis. Theimaging rays pass through the optical system to produce an image on animage plane. The term “a lens element having positive refracting power(or negative refracting power)” means that the paraxial refracting powerof the lens element in Gaussian optics is positive (or negative). Theterm “an object-side (or image-side) surface of a lens element” refersto a specific region of that surface of the lens element at whichimaging rays can pass through that specific region. Imaging rays includeat least two types of rays: a chief ray Lc and a marginal ray Lm (asshown in FIG. 1 ). An object-side (or image-side) surface of a lenselement can be characterized as having several regions, including anoptical axis region, a periphery region, and, in some cases, one or moreintermediate regions, as discussed more fully below.

FIG. 1 is a radial cross-sectional view of a lens element 100. Tworeferential points for the surfaces of the lens element 100 can bedefined: a central point, and a transition point. The central point of asurface of a lens element is a point of intersection of that surface andthe optical axis I. As illustrated in FIG. 1 , a first central point CP1may be present on the object-side surface 110 of lens element 100 and asecond central point CP2 may be present on the image-side surface 120 ofthe lens element 100. The transition point is a point on a surface of alens element, at which the line tangent to that point is perpendicularto the optical axis I. The optical boundary OB of a surface of the lenselement is defined as a point at which the radially outermost marginalray Lm passing through the surface of the lens element intersects thesurface of the lens element. All transition points lie between theoptical axis I and the optical boundary OB of the surface of the lenselement. A surface of the lens element 100 may have no transition pointor have at least one transition point. If multiple transition points arepresent on a single surface, then these transition points aresequentially named along the radial direction of the surface withreference numerals starting from the first transition point. Forexample, the first transition point, e.g., TP1, (closest to the opticalaxis I), the second transition point, e.g., TP2, (as shown in FIG. 4 ),and the Nth transition point (farthest from the optical axis I).

When a surface of the lens element has at least one transition point,the region of the surface of the lens element from the central point tothe first transition point TP1 is defined as the optical axis region,which includes the central point. The region located radially outside ofthe farthest transition point (the Nth transition point) from theoptical axis I to the optical boundary OB of the surface of the lenselement is defined as the periphery region. In some embodiments, theremay be intermediate regions present between the optical axis region andthe periphery region, with the number of intermediate regions dependingon the number of the transition points. When a surface of the lenselement has no transition point, the optical axis region is defined as aregion of 0%-50% of the distance between the optical axis I and theoptical boundary OB of the surface of the lens element, and theperiphery region is defined as a region of 50%-100% of the distancebetween the optical axis I and the optical boundary OB of the surface ofthe lens element.

The shape of a region is convex if a collimated ray being parallel tothe optical axis I and passing through the region is bent toward theoptical axis I such that the ray intersects the optical axis I on theimage side A2 of the lens element. The shape of a region is concave ifthe extension line of a collimated ray being parallel to the opticalaxis I and passing through the region intersects the optical axis I onthe object side A1 of the lens element.

Additionally, referring to FIG. 1 , the lens element 100 may also have amounting portion 130 extending radially outward from the opticalboundary OB. The mounting portion 130 is typically used to physicallysecure the lens element to a corresponding element of the optical system(not shown). Imaging rays do not reach the mounting portion 130. Thestructure and shape of the mounting portion 130 are only examples toexplain the technologies, and should not be taken as limiting the scopeof the present disclosure. The mounting portion 130 of the lens elementsdiscussed below may be partially or completely omitted in the followingdrawings.

Referring to FIG. 2 , optical axis region Z1 is defined between centralpoint CP and first transition point TP1. Periphery region Z2 is definedbetween TP1 and the optical boundary OB of the surface of the lenselement. Collimated ray 211 intersects the optical axis I on the imageside A2 of lens element 200 after passing through optical axis regionZ1, i.e., the focal point of collimated ray 211 after passing throughoptical axis region Z1 is on the image side A2 of the lens element 200at point R in FIG. 2 . Accordingly, since the ray itself intersects theoptical axis I on the image side A2 of the lens element 200, opticalaxis region Z1 is convex. On the contrary, collimated ray 212 divergesafter passing through periphery region Z2. The extension line EL ofcollimated ray 212 after passing through periphery region Z2 intersectsthe optical axis I on the object side A1 of lens element 200, i.e., thefocal point of collimated ray 212 after passing through periphery regionZ2 is on the object side A1 at point M in FIG. 2 . Accordingly, sincethe extension line EL of the ray intersects the optical axis I on theobject side A1 of the lens element 200, periphery region Z2 is concave.In the lens element 200 illustrated in FIG. 2 , the first transitionpoint TP1 is the border of the optical axis region and the peripheryregion, i.e., TP1 is the point at which the shape changes from convex toconcave.

Alternatively, there is another way for a person having ordinary skillin the art to determine whether an optical axis region is convex orconcave by referring to the sign of “Radius of curvature” (the “R”value), which is the paraxial radius of shape of a lens surface in theoptical axis region. The R value is commonly used in conventionaloptical design software such as Zemax and CodeV. The R value usuallyappears in the lens data sheet in the software. For an object-sidesurface, a positive R value defines that the optical axis region of theobject-side surface is convex, and a negative R value defines that theoptical axis region of the object-side surface is concave. Conversely,for an image-side surface, a positive R value defines that the opticalaxis region of the image-side surface is concave, and a negative R valuedefines that the optical axis region of the image-side surface isconvex. The result found by using this method should be consistent withthe method utilizing intersection of the optical axis by rays/extensionlines mentioned above, which determines surface shape by referring towhether the focal point of a collimated ray being parallel to theoptical axis I is on the object-side or the image-side of a lenselement. As used herein, the terms “a shape of a region is convex(concave),” “a region is convex (concave),” and “a convex- (concave-)region,” can be used alternatively.

FIG. 3 , FIG. 4 and FIG. 5 illustrate examples of determining the shapeof lens element regions and the boundaries of regions under variouscircumstances, including the optical axis region, the periphery region,and intermediate regions as set forth in the present specification.

FIG. 3 is a radial cross-sectional view of a lens element 300. Asillustrated in FIG. 3 , only one transition point TP1 appears within theoptical boundary OB of the image-side surface 320 of the lens element300. Optical axis region Z1 and periphery region Z2 of the image-sidesurface 320 of lens element 300 are illustrated. The R value of theimage-side surface 320 is positive (i.e., R>0). Accordingly, the opticalaxis region Z1 is concave.

In general, the shape of each region demarcated by the transition pointwill have an opposite shape to the shape of the adjacent region(s).Accordingly, the transition point will define a transition in shape,changing from concave to convex at the transition point or changing fromconvex to concave. In FIG. 3 , since the shape of the optical axisregion Z1 is concave, the shape of the periphery region Z2 will beconvex as the shape changes at the transition point TP1.

FIG. 4 is a radial cross-sectional view of a lens element 400. Referringto FIG. 4 , a first transition point TP1 and a second transition pointTP2 are present on the object-side surface 410 of lens element 400. Theoptical axis region Z1 of the object-side surface 410 is defined betweenthe optical axis I and the first transition point TP1. The R value ofthe object-side surface 410 is positive (i.e., R>0). Accordingly, theoptical axis region Z1 is convex.

The periphery region Z2 of the object-side surface 410, which is alsoconvex, is defined between the second transition point TP2 and theoptical boundary OB of the object-side surface 410 of the lens element400. Further, intermediate region Z3 of the object-side surface 410,which is concave, is defined between the first transition point TP1 andthe second transition point TP2. Referring once again to FIG. 4 , theobject-side surface 410 includes an optical axis region Z1 locatedbetween the optical axis I and the first transition point TP1, anintermediate region Z3 located between the first transition point TP1and the second transition point TP2, and a periphery region Z2 locatedbetween the second transition point TP2 and the optical boundary OB ofthe object-side surface 410. Since the shape of the optical axis regionZ1 is designed to be convex, the shape of the intermediate region Z3 isconcave as the shape of the intermediate region Z3 changes at the firsttransition point TP1, and the shape of the periphery region Z2 is convexas the shape of the periphery region Z2 changes at the second transitionpoint TP2.

FIG. 5 is a radial cross-sectional view of a lens element 500. Lenselement 500 has no transition point on the object-side surface 510 ofthe lens element 500. For a surface of a lens element with no transitionpoint, for example, the object-side surface 510 the lens element 500,the optical axis region Z1 is defined as the region of 0%-50% of thedistance between the optical axis I and the optical boundary OB of thesurface of the lens element and the periphery region is defined as theregion of 50%-100% of the distance between the optical axis I and theoptical boundary OB of the surface of the lens element. Referring tolens element 500 illustrated in FIG. 5 , the optical axis region Z1 ofthe object-side surface 510 is defined between the optical axis I and50% of the distance between the optical axis I and the optical boundaryOB. The R value of the object-side surface 510 is positive (i.e., R>0).Accordingly, the optical axis region Z1 is convex. For the object-sidesurface 510 of the lens element 500, because there is no transitionpoint, the periphery region Z2 of the object-side surface 510 is alsoconvex. It should be noted that lens element 500 may have a mountingportion (not shown) extending radially outward from the periphery regionZ2.

In the present disclosure, example embodiments of an optical imaginglens may comprise a first lens element, a second lens element, a thirdlens element, a fourth lens element, a fifth lens element, a sixth lenselement, a seventh lens element, an eighth lens element and a ninth lenselement. Each of the lens elements may comprise an object-side surfacefacing toward an object side allowing imaging rays to pass through andan image-side surface facing toward an image side allowing the imagingrays to pass through. These lens elements may be arranged sequentiallyfrom the object side to the image side along an optical axis, andexample embodiments of the lens may comprise no other lenses havingrefracting power beyond the nine lens elements. Through controlling theconvex or concave shape of the surfaces, the optical imaging lens inexample embodiments may provide for higher resolution, enlarged aperturestop and image height.

Example embodiments of an optical imaging lens may be designed withconfiguration of refracting power and surface shapes, for example:combining positive refracting power of the first lens element, a convexperiphery region of the image-side surface of the third lens element, aconvex periphery region of the image-side surface of the fourth lenselement, a concave optical axis region of the image-side surface of thesixth lens element and a convex optical axis region of the object-sidesurface of the seventh lens element that facilitate designing an opticalaxis with a great aperture and a great image height. When the opticalimaging lens further satisfies a convex optical axis region of theobject-side surface of the ninth lens element, a concave optical axisregion of the image-side surface of the ninth lens element andTavg789/Tstd789≥2.900, yield of manufacturing the seventh, eighth andninth lens elements may be increased to promote the production of theoptical imaging lens; preferably, the optical imaging lens may satisfy2.900≤Tavg789/Tstd789≤18.000.

Example embodiments of an optical imaging lens may be designed withconfiguration of refracting power and surface shapes, for example:combining positive refracting power of the first lens element, a concaveperiphery region of the image-side surface of the first lens element, aconvex optical axis region of the image-side surface of the third lens,a convex periphery region of the image-side surface of the fourth lenselement, a concave optical axis region of the object-side surface of thefifth lens element, and a convex optical axis region of the object-sidesurface of the seventh lens element that may facilitate designing anoptical axis with a great aperture and a great image height. When theoptical imaging lens further satisfies a concave periphery region of theobject-side surface of the ninth lens element and Tavg789/Tstd789≥2.900,yield of manufacturing the seventh, eighth and ninth lens elements maybe increased to promote the production of the optical imaging lens;preferably, the optical imaging lens may satisfy2.900≤Tavg789/Tstd789≤18.000.

Example embodiments of an optical imaging lens may be designed withconfiguration of refracting power and surface shapes, for example:combining positive refracting power of the first lens element, a convexoptical axis region of the image-side surface of the third lens, aconvex periphery region of the image-side surface of the third lens, aconcave optical axis region of the object-side surface of the fifth lenselement and a concave optical axis region of the image-side surface ofthe sixth lens element that may facilitate designing an optical axiswith a great aperture and a great image height. When the optical imaginglens further satisfies a concave periphery region of the object-sidesurface of the ninth lens element and Tavg789/Tstd789≥2.900, yield ofmanufacturing the seventh, eighth and ninth lens elements may beincreased to promote the production of the optical imaging lens;preferably, the optical imaging lens may satisfy2.900≤Tavg789/Tstd789≤18.000.

When the optical imaging lens satisfies V8+V9≤100.000, MTF (modulationtransfer function) may be increased to increase resolution; preferably,the optical imaging lens may satisfy 38.000≤V8+V9≤100.000.

When the optical imaging lens provided with great aperture and imageheight satisfies at least one of the inequalities listed below, thethickness of the lens elements and/or the air gaps between the lenselements may be shortened properly to avoid any excessive value of theparameters which may be unfavorable and may thicken the system length ofthe whole system of the optical imaging lens, and to avoid anyinsufficient value of the parameters which may increase the productiondifficulty of the optical imaging lens:

Tavg2345/Tstd2345≥2.200, and preferably, the optical imaging lens maysatisfy 2.200≤Tavg2345/Tstd2345≤7.000;

(EFL+ImgH)/D11t42≥4.000, and preferably, the optical imaging lens maysatisfy 4.000≤(EFL+ImgH)/D11t42≤5.000;

(T1+T2+G23)/G12≤4.900, and preferably, the optical imaging lens maysatisfy 2.000≤(T1+T2+G23)/G12≤4.900;

Fno*TTL/(T6+T7+T8+T9)≤6.200, and preferably, the optical imaging lensmay satisfy 4.000≤Fno*TTL/(T6+T7+T8+T9)≤6.200;

(D21t42+D51t62)/(G45+G67)≤5.200, and preferably, the optical imaginglens may satisfy 1.700≤(D21t42+D51t62)/(G45+G67)≤5.200;

D11t62/(Tmax+Tmin)≤3.600, and preferably, the optical imaging lens maysatisfy 2.800≤D11t62/(Tmax+Tmin)≤3.600;

Tavg234/Tstd234≥2.300, and preferably, the optical imaging lens maysatisfy 2.300≤Tavg234/Tstd234≤7.000;

D11t42/G45≤7.700, and preferably, the optical imaging lens may satisfy5.800≤D11t42/G45≤7.700;

(AAG+BFL)/(T1+T3)≤3.100, and preferably, the optical imaging lens maysatisfy 1.600≤(AAG+BFL)/(T1+T3)≤3.100;

Fno*(D21t42+D51t62)/(T1+G12)≤3.900, and preferably, the optical imaginglens may satisfy 2.200≤Fno*(D21t42+D51t62)/(T1+G12)≤3.900;

Fno*D11t62/D72t92≤4.100, and preferably, the optical imaging lens maysatisfy 2.800≤Fno*D11t62/D72t92≤4.100;

(EPD+TL)/D11t42≥3.800, and preferably, the optical imaging lens maysatisfy 3.800≤(EPD+TL)/D11t42≤5.000;

D51t62/G67≤7.500, and preferably, the optical imaging lens may satisfy1.000≤D51t62/G67≤7.500;

ALT/(T3+T7+T9)≤2.900, and preferably, the optical imaging lens maysatisfy 1.900≤ALT/(T3+T7+T9)≤2.900;

(T2+G23+T5+G56)/T3≤2.100, and preferably, the optical imaging lens maysatisfy 1.000≤(T2+G23+T5+G56)/T3≤2.100;

HFOV/Fno≥22.000 degrees, and preferably, the optical imaging lens maysatisfy 22.000 degrees≤HFOV/Fno≤32.000 degrees.

In light of the unpredictability in an optical system, satisfying theseinequalities listed above may result in shortening the system length ofthe optical imaging lens, enlarging image height, promoting the imagingquality and/or increasing the yield in the assembly process in thepresent disclosure.

When implementing example embodiments, more details about the convex orconcave surface or refracting power could be incorporated for onespecific lens element or broadly for a plurality of lens elements toenlarge field of view. For example, in an example embodiment, each lenselement may be made from all kinds of transparent material, such asglass, resin, etc. It is noted that the details listed here could beincorporated in example embodiments if no inconsistency occurs.

Several example embodiments and associated optical data will now beprovided for illustrating example embodiments of an optical imaging lenswith good optical characteristics and enlarged field of view. Referenceis now made to FIGS. 6-9 . FIG. 6 illustrates an example cross-sectionalview of an optical imaging lens 1 of the optical imaging lens accordingto a first example embodiment. FIGS. 7A, 7B, 7C and 7D show examplecharts of a longitudinal spherical aberration and other kinds of opticalaberrations of the optical imaging lens 1 according to an exampleembodiment. FIG. 8 illustrates an example table of optical data of eachlens element of the optical imaging lens 1 according to an exampleembodiment. FIG. 9 depicts an example table of aspherical data of theoptical imaging lens 1 according to an example embodiment.

As shown in FIG. 6 , the optical imaging lens 1 of the presentembodiment may comprise, in the order from an object side A1 to an imageside A2 along an optical axis, an aperture stop STO, a first lenselement L1, a second lens element L2, a third lens element L3, a fourthlens element L4, a fifth lens element L5, a sixth lens element L6, aseventh lens element L7, an eighth lens element L8 and a ninth lenselement L9. A filtering unit TF and an image plane IMA of an imagesensor may be positioned at the image side A2 of the optical lens 1.Each of the first, second, third, fourth, fifth, sixth, seventh, eighthand ninth lens elements L1, L2, L3, L4, L5, L6, L7, L8, L9 and thefiltering unit TF may comprise an object-side surfaceL1A1/L2A1/L3A1/L4A1/L5A1/L6A1/L7A1/L8A1/L9A1/TFA1 facing toward theobject side A1 and an image-side surfaceL1A2/L2A2/L3A2/L4A2/L5A2/L6A2/L7A2/L8A2/L9A1/TFA2 facing toward theimage side A2. The filtering unit TF, positioned between the ninth lenselement L9 and the image plane IMA, may selectively absorb ray withspecific wavelength(s) from the ray passing through optical imaging lens1. The example embodiment of the filtering unit TF which may selectivelyabsorb ray with specific wavelength(s) from the ray passing throughoptical imaging lens 1 may be an IR cut filter (infrared cut filter).Then, IR ray may be absorbed, and this may prohibit the IR ray, whichmight not be seen by human eyes, from producing an image on the imageplane IMA.

Please refer to the drawings for the details of each lens element of theoptical imaging lens 1, which may be constructed by plastic material orother material for light weight.

In the first example embodiment, the first lens element L1 may havepositive refracting power. On the object-side surface L1A1, both anoptical axis region L1A1C and a periphery region L1A1P may be convex. Onthe image-side surface L1A2, both an optical axis region L1A2C and aperiphery region L1A2P may be concave.

The second lens element L2 may have negative refracting power. On theobject-side surface L2A1, an optical axis region L2A1C may be convex,and a periphery region L2A1P may be concave. On the image-side surfaceL2A2, an optical axis region L2A2C may be concave, and a peripheryregion L2A2P may be convex.

The third lens element L3 may have positive refracting power. On theobject-side surface L3A1, an optical axis region L3A1C may be convex,and a periphery region L3A1P may be concave. On the image-side surfaceL3A2, both an optical axis region L3A2C and a periphery region L3A2P maybe convex.

The fourth lens element L4 may have positive refracting power. On theobject-side surface L4A1, both an optical axis region L4A1C and aperiphery region L4A1P may be concave. On the image-side surface L4A2,both an optical axis region L4A2C and a periphery region L4A2P may beconvex.

The fifth lens element L5 may have negative refracting power. On theobject-side surface L5A1, both an optical axis region L5A1C and aperiphery region L5A1P may be concave. On the image-side surface L5A2,both an optical axis region L5A2C and a periphery region L5A2P may beconvex.

The sixth lens element L6 may have positive refracting power. On theobject-side surface L6A1, an optical axis region L6A1C may be convex,and a periphery region L6A1P may be concave. On the image-side surfaceL6A2, an optical axis region L6A2C may be concave, and a peripheryregion L6A2P may be convex.

The seventh lens element L7 may have negative refracting power. On theobject-side surface L7A1, an optical axis region L7A1C may be convex anda periphery region L7A1P may be concave. On the image-side surface L7A2,an optical axis region L7A2C may be concave, and a periphery regionL7A2P may be convex.

The eighth lens element L8 may have negative refracting power. On theobject-side surface L8A1, an optical axis region L8A1C may be convex,and a periphery region L8A1P may be concave. On the image-side surfaceL8A2, an optical axis region L8A2C may be concave and a periphery regionL8A2P may be convex.

The ninth lens element L9 may have negative refracting power. On theobject-side surface L9A1, an optical axis region L9A1C may be convex,and a periphery region L9A1P may be concave. On the image-side surfaceL9A2, an optical axis region L9A2C may be concave and a periphery regionL9A2P may be convex.

A total of 18 aspherical surfaces, including the object-side surfaceL1A1 and the image-side surface L1A2 of the first lens element L1, theobject-side surface L2A1 and the image-side surface L2A2 of the secondlens element L2, the object-side surface L3A1 and the image-side surfaceL3A2 of the third lens element L3, the object-side surface L4A1 and theimage-side surface L4A2 of the fourth lens element L4, the object-sidesurface L5A1 and the image-side surface L5A2 of the fifth lens elementL5, the object-side surface L6A1 and the image-side surface L6A2 of thesixth lens element L6, the object-side surface L7A1 and the image-sidesurface L7A2 of the seventh lens element L7, and the object-side surfaceL8A1 and the image-side surface L8A2 of the eighth lens element L8 andthe object-side surface L9A1 and the image-side surface L9A2 of theninth lens element L9 may all be defined by the following asphericalformula (1):

$\begin{matrix}{{Z(Y)} = {{\frac{Y^{2}}{R}/\left( {1 + \sqrt{1 - {\left( {1 + K} \right)\frac{Y^{2}}{R^{2}}}}} \right)} + {\sum\limits_{i = 1}^{n}{a_{i} \times Y^{i}}}}} & {{Formula}(1)}\end{matrix}$

wherein Z represents the depth of the aspherical surface (theperpendicular distance between the point of the aspherical surface at adistance Y from the optical axis and the tangent plane of the vertex onthe optical axis of the aspherical surface); R represents the radius ofcurvature of the surface of the lens element; Y represents theperpendicular distance between the point of the aspherical surface andthe optical axis; K represents a conic constant; a_(i) represents anaspherical coefficient of i^(th) level.

The values of each aspherical parameter are shown in FIG. 9 , and in thepresent embodiment and hereinafter, the aspherical coefficient of 2^(nd)level a₂ is always 0.

Referring to FIG. 7A, a longitudinal spherical aberration of threerepresentative wavelengths (470 nm, 555 nm, 650 nm) of the opticalimaging lens 1 in the present embodiment is shown in coordinates inwhich a vertical axis represents field of view, and FIG. 7B, curvatureof field of three representative wavelengths (470 nm, 555 nm, 650 nm) ofthe optical imaging lens 1 in the present embodiment in the sagittaldirection is shown in coordinates in which a vertical axis representsimage height, and FIG. 7C, curvature of field in the tangentialdirection of three representative wavelengths (470 nm, 555 nm, 650 nm)of the optical imaging lens 1 in the present embodiment is shown incoordinates in which a vertical axis represents image height, and FIG.7D, distortion aberration of the optical imaging lens 1 in the presentembodiment is shown in coordinates in which a vertical axis representsimage height. The curve of each of these wavelengths may be close toeach other, and this represents that off-axis ray with respect to thethree representative wavelengths (470 nm, 555 nm, 650 nm) may be focusedaround an image point. From the vertical deviation of each curve shownin FIG. 7A, the offset of the off-axis ray relative to the image pointmay be within about −0.0044˜0.011 mm. Therefore, the present embodimentimproves the longitudinal spherical aberration with respect to differentwavelengths certainly. Further, for curvature of field in the sagittaldirection shown in FIG. 7B, the focus variation with respect to thethree wavelengths in the whole field may fall within about −16˜12.8 μm.For curvature of field in the tangential direction shown in FIG. 7C, thefocus variation with respect to the three wavelengths in the whole fieldmay fall within about −32˜22.4 μm. The variation of the distortionaberration shown in FIG. 7D may be within about −20˜2%.

As shown in FIG. 8 , the Fno the optical imaging lens 1 is 1.800, andthe image height is 4.852 mm. Referring to the aberration shown in FIGS.7A˜7D, it may be readily understood that the optical imaging lens 1 iscapable to provide with enlarged aperture stop and image height, as wellas good optical characteristics.

Please also refer to FIG. 46A for the values of each parameter andTavg789/Tstd789, Tavg2345/Tstd2345, (EFL+ImgH)/D11t42, (T1+T2+G23)/G12,Fno*TTL/(T6+T7+T8+T9), (D21t42+D51t62)/(G45+G67), D11t62/(Tmax+Tmin),Tavg234/Tstd234, V8+V9, D11t42/G45, (AAG+BFL)/(T1+T3),Fno*(D21t42+D51t62)/(T1+G12), Fno*D11t62/D72t92, (EPD+TL)/D11t42,D51t62/G67, ALT/(T3+T7+T9), (T2+G23+T5+G56)/T3 and HFOV/Fno of thepresent embodiment.

Reference is now made to FIGS. 10-13 . FIG. 10 illustrates an examplecross-sectional view of an optical imaging lens 2 of the optical imaginglens according to a second example embodiment. FIGS. 11A, 11B, 11C and11D show example charts of a longitudinal spherical aberration and otherkinds of optical aberrations of the optical imaging lens 2 according tothe second example embodiment. FIG. 12 shows an example table of opticaldata of each lens element of the optical imaging lens 2 according to thesecond example embodiment. FIG. 13 shows an example table of asphericaldata of the optical imaging lens 2 according to the second exampleembodiment.

As shown in FIG. 10 , the optical imaging lens 2 of the presentembodiment, in an order from an object side A1 to an image side A2 alongan optical axis, may comprise an aperture stop STO, a first lens elementL1, a second lens element L2, a third lens element L3, a fourth lenselement L4, a fifth lens element L5, a sixth lens element L6, a seventhlens element L7, an eighth lens element L8 and a ninth lens element L9.

The configuration of the concave/convex shape of surfaces, comprisingthe object-side surfaces L1A1, L2A1, L3A1, L4A1, L5A1, L6A1, L7A1 andL9A1 and the image-side surfaces L1A2, L2A2, L3A2, L4A2, L5A2, L6A2 andL9A2, and positive or negative configuration of the refracting power ofthe first lens element L1, the second lens element L2, the fourth lenselement L4 and the ninth lens element L9, may be similar to those in thefirst embodiment; however, the concave/convex shape of the object-sidesurface L8A1 and the image-side surfaces L7A2, L8A2, negative refractingpower of the third lens element L3, positive refracting power of thefifth lens element L5, negative refracting power of the sixth lenselement L6, positive refracting power of the seventh lens element L7 andpositive refracting power of the eighth lens element L8 may be differentfrom those in the first embodiment. Further, the radius of curvature andthickness of each lens element, aspherical data and related opticalparameters, such as system effective focal length, may be different fromthose in the first embodiment. Specifically, an optical axis regionL7A2C on the image-side surface L7A2 of the seventh lens element L7 maybe convex, an optical axis region L8A1C on the object-side surface L8A1of the eighth lens element L8 may be concave, and an optical axis regionL8A2C on the image-side surface L8A2 of the eighth lens element L8 maybe convex.

Here, for clearly showing the drawings of the present embodiment, onlythe surface shapes which are different from that in the first embodimentmay be labeled. Please refer to FIG. 12 for the optical characteristicsof each lens elements in the optical imaging lens 2 of the presentembodiment.

As the longitudinal spherical aberration shown in FIG. 11A, the offsetof the off-axis ray relative to the image point may be within about−0.013˜0.0104 mm. As the curvature of field in the sagittal directionshown in FIG. 11B, the focus variation with regard to the threewavelengths in the whole field may fall within about −0.02˜0.015 mm. Asthe curvature of field in the tangential direction shown in FIG. 11C,the focus variation with regard to the three wavelengths in the wholefield may fall within about −0.04˜0.025 mm. As shown in FIG. 11D, thevariation of the distortion aberration may be within about 0˜7.5%.Compared with the first embodiment, the distortion aberration may beless in the present embodiment.

As shown in FIG. 12 , in the optical imaging lens 2, the Fno is 1.800and the image height is 6.900 mm. Referring to the aberration shown inFIG. 11 , it may be readily understood that the optical imaging lens 2is capable to provide with enlarged aperture stop and image height, aswell as good imaging quality.

Please refer to FIG. 46A for the values of each parameter andTavg789/Tstd789, Tavg2345/Tstd2345, (EFL+ImgH)/D11t42, (T1+T2+G23)/G12,Fno*TTL/(T6+T7+T8+T9), (D21t42+D51t62)/(G45+G67), D11t62/(Tmax+Tmin),Tavg234/Tstd234, V8+V9, D11t42/G45, (AAG+BFL)/(T1+T3),Fno*(D21t42+D51t62)/(T1+G12), Fno*D11t62/D72t92, (EPD+TL)/D11t42,D51t62/G67, ALT/(T3+T7+T9), (T2+G23+T5+G56)/T3 and HFOV/Fno of thepresent embodiment.

Reference is now made to FIGS. 14-17 . FIG. 14 illustrates an examplecross-sectional view of an optical imaging lens 3 of the optical imaginglens according to a third example embodiment. FIGS. 15A, 15B, 15C and15D show example charts of a longitudinal spherical aberration and otherkinds of optical aberrations of the optical imaging lens 3 according tothe third example embodiment. FIG. 16 shows an example table of opticaldata of each lens element of the optical imaging lens 3 according to thethird example embodiment. FIG. 17 shows an example table of asphericaldata of the optical imaging lens 3 according to the third exampleembodiment.

As shown in FIG. 14 , the optical imaging lens 3 of the presentembodiment, in an order from an object side A1 to an image side A2 alongan optical axis, may comprise an aperture stop STO, a first lens elementL1, a second lens element L2, a third lens element L3, a fourth lenselement L4, a fifth lens element L5, a sixth lens element L6, a seventhlens element L7, an eighth lens element L8 and a ninth lens element L9.

The configuration of the concave/convex shape of surfaces, comprisingthe object-side surfaces UAL L2A1, L3A1, L4A1, L5A1, L6A1, L7A1 and L9A1and the image-side surfaces L1A2, L2A2, L3A2, L4A2, L5A2, L6A2 and L9A2,and positive or negative configuration of the refracting power of eachlens element, except for the second lens element L2 and the seventh lenselement L7, may be similar to those in the first embodiment; however,the concave/convex shape of the object-side surface L8A1 and theimage-side surfaces L7A2, L8A2, positive refracting power of the secondlens element L2 and positive refracting power of the seventh lenselement L7 may be different from those in the first embodiment. Further,the radius of curvature and thickness of each lens element, asphericaldata and related optical parameters, such as system effective focallength, may be different from those in the first embodiment.Specifically, an optical axis region L7A2C on the image-side surfaceL7A2 of the seventh lens element L7 may be convex, an optical axisregion L8A1C on the object-side surface L8A1 of the eighth lens elementL8 may be concave, and an optical axis region L8A2C on the image-sidesurface L8A2 of the eighth lens element L8 may be convex.

Here, for clearly showing the drawings of the present embodiment, onlythe surface shapes which are different from that in the first embodimentmay be labeled. Please refer to FIG. 16 for the optical characteristicsof each lens elements in the optical imaging lens 3 of the presentembodiment.

As the longitudinal spherical aberration shown in FIG. 15A, the offsetof the off-axis ray relative to the image point may be within about−0.04˜0.02 mm. As the curvature of field in the sagittal direction shownin FIG. 15B, the focus variation with regard to the three wavelengths inthe whole field may fall within about −0.044˜0.022 mm. As the curvatureof field in the tangential direction shown in FIG. 15C, the focusvariation with regard to the three wavelengths in the whole field mayfall within about −0.11˜0.055 mm. As shown in FIG. 15D, the variation ofthe distortion aberration may be within about 0˜2.25%. Compared with thefirst embodiment, the distortion aberration may be less in the presentembodiment.

As shown in FIG. 16 , in the optical imaging lens 3, the Fno is 1.800and the image height is 6.700 mm. Referring to the aberration shown inFIG. 15 , it may be readily understood that the optical imaging lens 3is capable to provide with enlarged aperture stop and image height, aswell as good imaging quality.

Please refer to FIG. 46A for the values of each parameter andTavg789/Tstd789, Tavg2345/Tstd2345, (EFL+ImgH)/D11t42, (T1+T2+G23)/G12,Fno*TTL/(T6+T7+T8+T9), (D21t42+D51t62)/(G45+G67), D11t62/(Tmax+Tmin),Tavg234/Tstd234, V8+V9, D11t42/G45, (AAG+BFL)/(T1+T3),Fno*(D21t42+D51t62)/(T1+G12), Fno*D11t62/D72t92, (EPD+TL)/D11t42,D51t62/G67, ALT/(T3+T7+T9), (T2+G23+T5+G56)/T3 and HFOV/Fno of thepresent embodiment.

Reference is now made to FIGS. 18-21 . FIG. 18 illustrates an examplecross-sectional view of an optical imaging lens 4 of the optical imaginglens according to a fourth example embodiment. FIGS. 19A, 19B, 19C and19D show example charts of a longitudinal spherical aberration and otherkinds of optical aberrations of the optical imaging lens 4 according tothe fourth example embodiment. FIG. 20 shows an example table of opticaldata of each lens element of the optical imaging lens 4 according to thefourth example embodiment. FIG. 21 shows an example table of asphericaldata of the optical imaging lens 4 according to the fourth exampleembodiment.

As shown in FIG. 18 , the optical imaging lens 4 of the presentembodiment, in an order from an object side A1 to an image side A2 alongan optical axis, may comprise an aperture stop STO, a first lens elementL1, a second lens element L2, a third lens element L3, a fourth lenselement L4, a fifth lens element L5, a sixth lens element L6, a seventhlens element L7, an eighth lens element L8 and a ninth lens element L9.

The configuration of the concave/convex shape of surfaces, comprisingthe object-side surfaces UAL L2A1, L5A1, L6A1, L7A1 and L9A1 and theimage-side surfaces L1A2, L3A2, L4A2, L5A2, L6A2 and L9A2, and positiveor negative configuration of the refracting power of each lens element,except for the third lens element L3 and the seventh lens element L7,may be similar to those in the first embodiment; however, theconcave/convex shape of the object-side surfaces L3A1, L4A1, L8A1 andthe image-side surfaces L2A2, L7A2, L8A2, negative refracting power ofthe third lens element L3 and positive refracting power of the seventhlens element L7 may be different from those in the first embodiment.Further, the radius of curvature and thickness of each lens element,aspherical data and related optical parameters, such as system effectivefocal length, may be different from those in the first embodiment.Specifically, a periphery region L2A2P on the image-side surface L2A2 ofthe second lens element L2 may be concave, an optical axis region L3A1Con the object-side surface L3A1 of the third lens element L3 may beconcave, an optical axis region L4A1C on the object-side surface L4A1 ofthe fourth lens element L4 may be convex, an optical axis region L7A2Con the image-side surface L7A2 of the seventh lens element L7 may beconvex, an optical axis region L8A1C on the object-side surface L8A1 ofthe eighth lens element L8 may be concave, and an optical axis regionL8A2C on the image-side surface L8A2 of the eighth lens element L8 maybe convex.

Here, for clearly showing the drawings of the present embodiment, onlythe surface shapes which are different from that in the first embodimentmay be labeled. Please refer to FIG. 20 for the optical characteristicsof each lens elements in the optical imaging lens 4 of the presentembodiment.

As the longitudinal spherical aberration shown in FIG. 19A, the offsetof the off-axis ray relative to the image point may be within about−0.09˜0.018 mm. As the curvature of field in the sagittal directionshown in FIG. 19B, the focus variation with regard to the threewavelengths in the whole field may fall within about −0.096˜0 mm. As thecurvature of field in the tangential direction shown in FIG. 19C, thefocus variation with regard to the three wavelengths in the whole fieldmay fall within about −0.24˜0.096 mm. As shown in FIG. 19D, thevariation of the distortion aberration may be within about 0˜3.5%.Compared with the first embodiment, the distortion aberration may beless in the present embodiment.

As shown in FIG. 20 , in the optical imaging lens 4, the Fno is 1.800and the image height is 6.903 mm. Referring to the aberration shown inFIG. 19 , it may be readily understood that the optical imaging lens 4is capable to provide with enlarged aperture stop and image height, aswell as good imaging quality.

Please refer to FIG. 46A for the values of each parameter andTavg789/Tstd789, Tavg2345/Tstd2345, (EFL+ImgH)/D11t42, (T1+T2+G23)/G12,Fno*TTL/(T6+T7+T8+T9), (D21t42+D51t62)/(G45+G67), D11t62/(Tmax+Tmin),Tavg234/Tstd234, V8+V9, D11t42/G45, (AAG+BFL)/(T1+T3),Fno*(D21t42+D51t62)/(T1+G12), Fno*D11t62/D72t92, (EPD+TL)/D11t42,D51t62/G67, ALT/(T3+T7+T9), (T2+G23+T5+G56)/T3 and HFOV/Fno of thepresent embodiment.

Reference is now made to FIGS. 22-25 . FIG. 22 illustrates an examplecross-sectional view of an optical imaging lens 5 of the optical imaginglens according to a fifth example embodiment. FIGS. 23A, 23B, 23C and23D show example charts of a longitudinal spherical aberration and otherkinds of optical aberrations of the optical imaging lens 5 according tothe fifth example embodiment. FIG. 24 shows an example table of opticaldata of each lens element of the optical imaging lens 5 according to thefifth example embodiment. FIG. 25 shows an example table of asphericaldata of the optical imaging lens 5 according to the fifth exampleembodiment.

As shown in FIG. 22 , the optical imaging lens 5 of the presentembodiment, in an order from an object side A1 to an image side A2 alongan optical axis, may comprise an aperture stop STO, a first lens elementL1, a second lens element L2, a third lens element L3, a fourth lenselement L4, a fifth lens element L5, a sixth lens element L6, a seventhlens element L7, an eighth lens element L8 and a ninth lens element L9.

The configuration of the concave/convex shape of surfaces, comprisingthe object-side surfaces L1A1, L2A1, L4A1, L5A1, L6A1, L7A1 and L9A1 andthe image-side surfaces L1A2, L3A2, L4A2, L5A2, L6A2 and L9A2, andpositive or negative configuration of the refracting power of each lenselement, except for the fourth lens element L4 and the seventh lenselement L7, may be similar to those in the first embodiment; however,the concave/convex shape of the object-side surfaces L3A1, L8A1 and theimage-side surfaces L2A2, L7A2, L8A2, negative refracting power of thefourth lens element L4 and positive refracting power of the seventh lenselement L7 may be different from those in the first embodiment. Further,the radius of curvature and thickness of each lens element, asphericaldata and related optical parameters, such as system effective focallength, may be different from those in the first embodiment.Specifically, a periphery region L2A2P on the image-side surface L2A2 ofthe second lens element L2 may be concave, an optical axis region L3A1Con the object-side surface L3A1 of the third lens element L3 may beconcave, an optical axis region L7A2C on the image-side surface L7A2 ofthe seventh lens element L7 may be convex, an optical axis region L8A1Con the object-side surface L8A1 of the eighth lens element L8 may beconcave, and an optical axis region L8A2C on the image-side surface L8A2of the eighth lens element L8 may be convex.

Here, for clearly showing the drawings of the present embodiment, onlythe surface shapes which are different from that in the first embodimentmay be labeled. Please refer to FIG. 24 for the optical characteristicsof each lens elements in the optical imaging lens 5 of the presentembodiment.

As the longitudinal spherical aberration shown in FIG. 23A, the offsetof the off-axis ray relative to the image point may be within about−0.1˜0.03 mm. As the curvature of field in the sagittal direction shownin FIG. 23B, the focus variation with regard to the three wavelengths inthe whole field may fall within about −0.096˜0.032 mm. As the curvatureof field in the tangential direction shown in FIG. 23C, the focusvariation with regard to the three wavelengths in the whole field mayfall within about −0.32˜0.064 mm. As shown in FIG. 23D, the variation ofthe distortion aberration may be within about 0˜4.5%. Compared with thefirst embodiment, the distortion aberration may be less in the presentembodiment.

As shown in FIG. 24 , in the optical imaging lens 5, the Fno is 1.800and the image height is 6.686 mm. Referring to the aberration shown inFIG. 23 , it may be readily understood that the optical imaging lens 5is capable to provide with enlarged aperture stop and image height, aswell as good imaging quality.

Please refer to FIG. 46A for the values of each parameter andTavg789/Tstd789, Tavg2345/Tstd2345, (EFL+ImgH)/D11t42, (T1+T2+G23)/G12,Fno*TTL/(T6+T7+T8+T9), (D21t42+D51t62)/(G45+G67), D11t62/(Tmax+Tmin),Tavg234/Tstd234, V8+V9, D11t42/G45, (AAG+BFL)/(T1+T3),Fno*(D21t42+D51t62)/(T1+G12), Fno*D11t62/D72t92, (EPD+TL)/D11t42,D51t62/G67, ALT/(T3+T7+T9), (T2+G23+T5+G56)/T3 and HFOV/Fno of thepresent embodiment.

Reference is now made to FIGS. 26-29 . FIG. 26 illustrates an examplecross-sectional view of an optical imaging lens 6 of the optical imaginglens according to a sixth example embodiment. FIGS. 27A, 27B, 27C and27D show example charts of a longitudinal spherical aberration and otherkinds of optical aberrations of the optical imaging lens 6 according tothe sixth example embodiment. FIG. 28 shows an example table of opticaldata of each lens element of the optical imaging lens 6 according to thesixth example embodiment. FIG. 29 shows an example table of asphericaldata of the optical imaging lens 6 according to the sixth exampleembodiment.

As shown in FIG. 26 , the optical imaging lens 6 of the presentembodiment, in an order from an object side A1 to an image side A2 alongan optical axis, may comprise an aperture stop STO, a first lens elementL1, a second lens element L2, a third lens element L3, a fourth lenselement L4, a fifth lens element L5, a sixth lens element L6, a seventhlens element L7, an eighth lens element L8 and a ninth lens element L9.

The configuration of the concave/convex shape of surfaces, comprisingthe object-side surfaces L1A1, L2A1, L4A1, L5A1, L6A1, L7A1 and L9A1 andthe image-side surfaces L1A2, L2A2, L3A2, L4A2, L5A2, L6A2 and L9A2, andpositive or negative configuration of the refracting power of each lenselement, except for the fourth lens element L4, the fifth lens elementL5 and the seventh lens element L7, may be similar to those in the firstembodiment; however, the concave/convex shape of the object-sidesurfaces L3A1, L8A1 and the image-side surfaces L7A2, L8A2, negativerefracting power of the fourth lens element L4, positive refractingpower of the fifth lens element L5 and positive refracting power of theseventh lens element L7 may be different from those in the firstembodiment. Further, the radius of curvature and thickness of each lenselement, aspherical data and related optical parameters, such as systemeffective focal length, may be different from those in the firstembodiment. Specifically, an optical axis region L3A1C on theobject-side surface L3A1 of the third lens element L3 may be concave, anoptical axis region L7A2C on the image-side surface L7A2 of the seventhlens element L7 may be convex, an optical axis region L8A1C on theobject-side surface L8A1 of the eighth lens element L8 may be concave,and an optical axis region L8A2C on the image-side surface L8A2 of theeighth lens element L8 may be convex.

Here, for clearly showing the drawings of the present embodiment, onlythe surface shapes which are different from that in the first embodimentmay be labeled. Please refer to FIG. 28 for the optical characteristicsof each lens elements in the optical imaging lens 6 of the presentembodiment.

As the longitudinal spherical aberration shown in FIG. 27A, the offsetof the off-axis ray relative to the image point may be within about−0.4˜0.12 mm. As the curvature of field in the sagittal direction shownin FIG. 27B, the focus variation with regard to the three wavelengths inthe whole field may fall within about −0.4˜0 mm. As the curvature offield in the tangential direction shown in FIG. 27C, the focus variationwith regard to the three wavelengths in the whole field may fall withinabout −0.4˜0.4 mm. As shown in FIG. 27D, the variation of the distortionaberration may be within about 0˜7.5%. Compared with the firstembodiment, the distortion aberration may be less in the presentembodiment.

As shown in FIG. 28 , in the optical imaging lens 6, the Fno is 1.800and the image height is 6.895 mm. Referring to the aberration shown inFIG. 27 , it may be readily understood that the optical imaging lens 6is capable to provide with enlarged aperture stop and image height, aswell as good imaging quality.

Please refer to FIG. 46B for the values of each parameter andTavg789/Tstd789, Tavg2345/Tstd2345, (EFL+ImgH)/D11t42, (T1+T2+G23)/G12,Fno*TTL/(T6+T7+T8+T9), (D21t42+D51t62)/(G45+G67), D11t62/(Tmax+Tmin),Tavg234/Tstd234, V8+V9, D11t42/G45, (AAG+BFL)/(T1+T3),Fno*(D21t42+D51t62)/(T1+G12), Fno*D11t62/D72t92, (EPD+TL)/D11t42,D51t62/G67, ALT/(T3+T7+T9), (T2+G23+T5+G56)/T3 and HFOV/Fno of thepresent embodiment.

Reference is now made to FIGS. 30-33 . FIG. 30 illustrates an examplecross-sectional view of an optical imaging lens 7 of the optical imaginglens according to a seventh example embodiment. FIGS. 31A, 31B, 31C and31D show example charts of a longitudinal spherical aberration and otherkinds of optical aberrations of the optical imaging lens 7 according tothe seventh example embodiment. FIG. 32 shows an example table ofoptical data of each lens element of the optical imaging lens 7according to the seventh example embodiment. FIG. 33 shows an exampletable of aspherical data of the optical imaging lens 7 according to theseventh example embodiment.

As shown in FIG. 30 , the optical imaging lens 7 of the presentembodiment, in an order from an object side A1 to an image side A2 alongan optical axis, may comprise an aperture stop STO, a first lens elementL1, a second lens element L2, a third lens element L3, a fourth lenselement L4, a fifth lens element L5, a sixth lens element L6, a seventhlens element L7, an eighth lens element L8 and a ninth lens element L9.

The configuration of the concave/convex shape of surfaces, comprisingthe object-side surfaces UAL L2A1, L3A1, L4A1, L5A1, L6A1, L7A1 and L9A1and the image-side surfaces L1A2, L3A2, L4A2, L5A2, L6A2 and L9A2, andpositive or negative configuration of the refracting power of each lenselement, except for the sixth lens element L6 and the seventh lenselement L7, may be similar to those in the first embodiment; however,the concave/convex shape of the object-side surface L8A1 and theimage-side surfaces L2A2, L7A2, L8A2, negative refracting power of thesixth lens element L6 and positive refracting power of the seventh lenselement L7 may be different from those in the first embodiment. Further,the radius of curvature and thickness of each lens element, asphericaldata and related optical parameters, such as system effective focallength, may be different from those in the first embodiment.Specifically, a periphery region L2A2P on the image-side surface L2A2 ofthe second lens element L2 may be concave, an optical axis region L7A2Con the image-side surface L7A2 of the seventh lens element L7 may beconvex, an optical axis region L8A1C on the object-side surface L8A1 ofthe eighth lens element L8 may be concave, and an optical axis regionL8A2C on the image-side surface L8A2 of the eighth lens element L8 maybe convex.

Here, for clearly showing the drawings of the present embodiment, onlythe surface shapes which are different from that in the first embodimentmay be labeled. Please refer to FIG. 32 for the optical characteristicsof each lens elements in the optical imaging lens 7 of the presentembodiment.

As the longitudinal spherical aberration shown in FIG. 31A, the offsetof the off-axis ray relative to the image point may be within about−0.11˜0.033 mm. As the curvature of field in the sagittal directionshown in FIG. 31B, the focus variation with regard to the threewavelengths in the whole field may fall within about −0.06˜0 mm. As thecurvature of field in the tangential direction shown in FIG. 31C, thefocus variation with regard to the three wavelengths in the whole fieldmay fall within about −0.15˜0.075 mm. As shown in FIG. 31D, thevariation of the distortion aberration may be within about 0˜10%.Compared with the first embodiment, the distortion aberration may beless in the present embodiment.

As shown in FIG. 32 , in the optical imaging lens 7, the Fno is 1.800and the image height is 6.794 mm. Referring to the aberration shown inFIG. 31 , it may be readily understood that the optical imaging lens 7is capable to provide with enlarged aperture stop and image height, aswell as good imaging quality.

Please refer to FIG. 46B for the values of each parameter andTavg789/Tstd789, Tavg2345/Tstd2345, (EFL+ImgH)/D11t42, (T1+T2+G23)/G12,Fno*TTL/(T6+T7+T8+T9), (D21t42+D51t62)/(G45+G67), D11t62/(Tmax+Tmin),Tavg234/Tstd234, V8+V9, D11t42/G45, (AAG+BFL)/(T1+T3),Fno*(D21t42+D51t62)/(T1+G12), Fno*D11t62/D72t92, (EPD+TL)/D11t42,D51t62/G67, ALT/(T3+T7+T9), (T2+G23+T5+G56)/T3 and HFOV/Fno of thepresent embodiment.

Reference is now made to FIGS. 34-37 . FIG. 34 illustrates an examplecross-sectional view of an optical imaging lens 8 of the optical imaginglens according to an eighth example embodiment. FIGS. 35A, 35B, 35C and35D show example charts of a longitudinal spherical aberration and otherkinds of optical aberrations of the optical imaging lens 8 according tothe eighth example embodiment. FIG. 36 shows an example table of opticaldata of each lens element of the optical imaging lens 8 according to theeighth example embodiment. FIG. 37 shows an example table of asphericaldata of the optical imaging lens 8 according to the eighth exampleembodiment.

As shown in FIG. 34 , the optical imaging lens 8 of the presentembodiment, in an order from an object side A1 to an image side A2 alongan optical axis, may comprise an aperture stop STO, a first lens elementL1, a second lens element L2, a third lens element L3, a fourth lenselement L4, a fifth lens element L5, a sixth lens element L6, a seventhlens element L7, an eighth lens element L8 and a ninth lens element L9.

The configuration of the concave/convex shape of surfaces, comprisingthe object-side surfaces UAL L2A1, L3A1, L4A1, L5A1, L6A1, L7A1 and L9A1and the image-side surfaces L1A2, L3A2, L4A2, L5A2, L6A2 and L9A2, andpositive or negative configuration of the refracting power of each lenselement, except for the sixth lens element L6, the seventh lens elementL7 and the eighth lens element L8, may be similar to those in the firstembodiment; however, the concave/convex shape of the object-side surfaceL8A1 and the image-side surfaces L2A2, L7A2, L8A2, negative refractingpower of the sixth lens element L6, positive refracting power of theseventh lens element L7 and positive refracting power of the eighth lenselement L8 may be different from those in the first embodiment. Further,the radius of curvature and thickness of each lens element, asphericaldata and related optical parameters, such as system effective focallength, may be different from those in the first embodiment.Specifically, a periphery region L2A2P on the image-side surface L2A2 ofthe second lens element L2 may be concave, an optical axis region L7A2Con the image-side surface L7A2 of the seventh lens element L7 may beconvex, an optical axis region L8A1C on the object-side surface L8A1 ofthe eighth lens element L8 may be concave, and an optical axis regionL8A2C on the image-side surface L8A2 of the eighth lens element L8 maybe convex.

Here, for clearly showing the drawings of the present embodiment, onlythe surface shapes which are different from that in the first embodimentmay be labeled. Please refer to FIG. 36 for the optical characteristicsof each lens elements in the optical imaging lens 8 of the presentembodiment.

As the longitudinal spherical aberration shown in FIG. 35A, the offsetof the off-axis ray relative to the image point may be within about−0.1˜0.02 mm. As the curvature of field in the sagittal direction shownin FIG. 35B, the focus variation with regard to the three wavelengths inthe whole field may fall within about −0.1˜0.01 mm. As the curvature offield in the tangential direction shown in FIG. 35C, the focus variationwith regard to the three wavelengths in the whole field may fall withinabout −0.1˜0.08 mm. As shown in FIG. 35D, the variation of thedistortion aberration may be within about 0˜18%. Compared with the firstembodiment, the distortion aberration may be less in the presentembodiment.

As shown in FIG. 36 , in the optical imaging lens 8, the Fno is 1.800and the image height is 6.667 mm. Referring to the aberration shown inFIG. 35 , it may be readily understood that the optical imaging lens 8is capable to provide with enlarged aperture stop and image height, aswell as good imaging quality.

Please refer to FIG. 46B for the values of each parameter andTavg789/Tstd789, Tavg2345/Tstd2345, (EFL+ImgH)/D11t42, (T1+T2+G23)/G12,Fno*TTL/(T6+T7+T8+T9), (D21t42+D51t62)/(G45+G67), D11t62/(Tmax+Tmin),Tavg234/Tstd234, V8+V9, D11t42/G45, (AAG+BFL)/(T1+T3),Fno*(D21t42+D51t62)/(T1+G12), Fno*D11t62/D72t92, (EPD+TL)/D11t42,D51t62/G67, ALT/(T3+T7+T9), (T2+G23+T5+G56)/T3 and HFOV/Fno of thepresent embodiment.

Reference is now made to FIGS. 38-41 . FIG. 38 illustrates an examplecross-sectional view of an optical imaging lens 9 of the optical imaginglens according to a ninth example embodiment. FIGS. 39A, 39B, 39C and39D show example charts of a longitudinal spherical aberration and otherkinds of optical aberrations of the optical imaging lens 9 according tothe ninth example embodiment. FIG. 40 shows an example table of opticaldata of each lens element of the optical imaging lens 9 according to theninth example embodiment. FIG. 41 shows an example table of asphericaldata of the optical imaging lens 9 according to the ninth exampleembodiment.

As shown in FIG. 38 , the optical imaging lens 9 of the presentembodiment, in an order from an object side A1 to an image side A2 alongan optical axis, may comprise an aperture stop STO, a first lens elementL1, a second lens element L2, a third lens element L3, a fourth lenselement L4, a fifth lens element L5, a sixth lens element L6, a seventhlens element L7, an eighth lens element L8 and a ninth lens element L9.

The configuration of the concave/convex shape of surfaces, comprisingthe object-side surfaces L1A1, L2A1, L3A1, L5A1, L6A1, L7A1 and L9A1 andthe image-side surfaces L1A2, L3A2, L4A2, L5A2, L6A2, L8A2 and L9A2, andpositive or negative configuration of the refracting power of each lenselement, except for the seventh lens element L7 and the ninth lenselement L9, may be similar to those in the first embodiment; however,the concave/convex shape of the object-side surfaces L4A1, L8A1 and theimage-side surfaces L2A2, L7A2, positive refracting power of the seventhlens element L7 and positive refracting power of the ninth lens elementL9 may be different from those in the first embodiment. Further, theradius of curvature and thickness of each lens element, aspherical dataand related optical parameters, such as system effective focal length,may be different from those in the first embodiment. Specifically, aperiphery region L2A2P on the image-side surface L2A2 of the second lenselement L2 may be concave, an optical axis region L4A1C on theobject-side surface L4A1 of the fourth lens element L4 may be convex, anoptical axis region L7A2C on the image-side surface L7A2 of the seventhlens element L7 may be convex, and an optical axis region L8A1C on theobject-side surface L8A1 of the eighth lens element L8 may be concave.

Here, for clearly showing the drawings of the present embodiment, onlythe surface shapes which are different from that in the first embodimentmay be labeled. Please refer to FIG. 40 for the optical characteristicsof each lens elements in the optical imaging lens 9 of the presentembodiment.

As the longitudinal spherical aberration shown in FIG. 39A, the offsetof the off-axis ray relative to the image point may be within about−0.0135˜0.015 mm. As the curvature of field in the sagittal directionshown in FIG. 39B, the focus variation with regard to the threewavelengths in the whole field may fall within about −0.021˜0.021 mm. Asthe curvature of field in the tangential direction shown in FIG. 39C,the focus variation with regard to the three wavelengths in the wholefield may fall within about −0.049˜0.07 mm. As shown in FIG. 39D, thevariation of the distortion aberration may be within about 0˜25%.Compared with the first embodiment, thickness difference of lens elementin the optical axis region and the periphery region may be less in thepresent embodiment. Therefore, yield of manufacturing the opticalimaging lens 9 may be greater.

As shown in FIG. 40 , in the optical imaging lens 9, the Fno is 1.800and the image height is 6.700 mm. Referring to the aberration shown inFIG. 39 , it may be readily understood that the optical imaging lens 9is capable to provide with enlarged aperture stop and image height, aswell as good imaging quality.

Please refer to FIG. 46B for the values of each parameter andTavg789/Tstd789, Tavg2345/Tstd2345, (EFL+ImgH)/D11t42, (T1+T2+G23)/G12,Fno*TTL/(T6+T7+T8+T9), (D21t42+D51t62)/(G45+G67), D11t62/(Tmax+Tmin),Tavg234/Tstd234, V8+V9, D11t42/G45, (AAG+BFL)/(T1+T3),Fno*(D21t42+D51t62)/(T1+G12), Fno*D11t62/D72t92, (EPD+TL)/D11t42,D51t62/G67, ALT/(T3+T7+T9), (T2+G23+T5+G56)/T3 and HFOV/Fno of thepresent embodiment.

Reference is now made to FIGS. 42-45 . FIG. 42 illustrates an examplecross-sectional view of an optical imaging lens 10 of the opticalimaging lens according to a tenth example embodiment. FIGS. 43A, 43B,43C and 43D show example charts of a longitudinal spherical aberrationand other kinds of optical aberrations of the optical imaging lens 10according to the tenth example embodiment. FIG. 44 shows an exampletable of optical data of each lens element of the optical imaging lens10 according to the tenth example embodiment. FIG. 45 shows an exampletable of aspherical data of the optical imaging lens 10 according to thetenth example embodiment.

As shown in FIG. 42 , the optical imaging lens 10 of the presentembodiment, in an order from an object side A1 to an image side A2 alongan optical axis, may comprise an aperture stop STO, a first lens elementL1, a second lens element L2, a third lens element L3, a fourth lenselement L4, a fifth lens element L5, a sixth lens element L6, a seventhlens element L7, an eighth lens element L8 and a ninth lens element L9.

The configuration of the concave/convex shape of surfaces, comprisingthe object-side surfaces L1A1, L2A1, L3A1, L4A1, L5A1, L6A1, L7A1 andL9A1 and the image-side surfaces L1A2, L3A2, L4A2, L5A2, L6A2, L8A2 andL9A2, and positive or negative configuration of the refracting power ofeach lens element, except for the seventh lens element L7, may besimilar to those in the first embodiment; however, the concave/convexshape of the object-side surface L8A1 and the image-side surfaces L2A2,L7A2 and positive refracting power of the seventh lens element L7 may bedifferent from those in the first embodiment. Further, the radius ofcurvature and thickness of each lens element, aspherical data andrelated optical parameters, such as system effective focal length, maybe different from those in the first embodiment. Specifically, aperiphery region L2A2P on the image-side surface L2A2 of the second lenselement L2 may be concave, an optical axis region L7A2C on theimage-side surface L7A2 of the seventh lens element L7 may be convex,and an optical axis region L8A1C on the object-side surface L8A1 of theeighth lens element L8 may be concave.

Here, for clearly showing the drawings of the present embodiment, onlythe surface shapes which are different from that in the first embodimentmay be labeled. Please refer to FIG. 44 for the optical characteristicsof each lens elements in the optical imaging lens 10 of the presentembodiment.

As the longitudinal spherical aberration shown in FIG. 43A, the offsetof the off-axis ray relative to the image point may be within about−0.11˜0.022 mm. As the curvature of field in the sagittal directionshown in FIG. 43B, the focus variation with regard to the threewavelengths in the whole field may fall within about −0.14˜0.014 mm. Asthe curvature of field in the tangential direction shown in FIG. 43C,the focus variation with regard to the three wavelengths in the wholefield may fall within about −0.126˜0.056 mm. As shown in FIG. 43D, thevariation of the distortion aberration may be within about 0˜17%.Compared with the first embodiment, the distortion aberration may beless in the present embodiment.

As shown in FIG. 44 , in the optical imaging lens 10, the Fno is 1.460and the image height is 6.724 mm. Referring to the aberration shown inFIG. 43 , it may be readily understood that the optical imaging lens 10is capable to provide with enlarged aperture stop and image height, aswell as good imaging quality.

Please refer to FIG. 46B for the values of each parameter andTavg789/Tstd789, Tavg2345/Tstd2345, (EFL+ImgH)/D11t42, (T1+T2+G23)/G12,Fno*TTL/(T6+T7+T8+T9), (D21t42+D51t62)/(G45+G67), D11t62/(Tmax+Tmin),Tavg234/Tstd234, V8+V9, D11t42/G45, (AAG+BFL)/(T1+T3),Fno*(D21t42+D51t62)/(T1+G12), Fno*D11t62/D72t92, (EPD+TL)/D11t42,D51t62/G67, ALT/(T3+T7+T9), (T2+G23+T5+G56)/T3 and HFOV/Fno of thepresent embodiment.

According to above illustration, the longitudinal spherical aberration,field curvature in both the sagittal direction and tangential directionand distortion aberration in all embodiments may meet the userrequirement of a related product in the market. The off-axis ray withregard to three different wavelengths may be focused around an imagepoint and the offset of the off-axis ray relative to the image point maybe well controlled with suppression for the longitudinal sphericalaberration, field curvature both in the sagittal direction andtangential direction and distortion aberration. The curves of differentwavelengths may be close to each other, and this represents that thefocusing for ray having different wavelengths may be good to suppresschromatic dispersion. In summary, lens elements are designed and matchedfor achieving good imaging quality.

The contents in the embodiments of the invention include but are notlimited to a focal length, a thickness of a lens element, an Abbenumber, or other optical parameters. For example, in the embodiments ofthe invention, an optical parameter A and an optical parameter B aredisclosed, wherein the ranges of the optical parameters, comparativerelation between the optical parameters, and the range of a conditionalexpression covered by a plurality of embodiments are specificallyexplained as follows:

(1) The ranges of the optical parameters are, for example, α₂≤A≤α₁ orβ₂≤B≤β₁, where α₁ is a maximum value of the optical parameter A amongthe plurality of embodiments, α₂ is a minimum value of the opticalparameter A among the plurality of embodiments, β₁ is a maximum value ofthe optical parameter B among the plurality of embodiments, and β₂ is aminimum value of the optical parameter B among the plurality ofembodiments.(2) The comparative relation between the optical parameters is that A isgreater than B or A is less than B, for example.(3) The range of a conditional expression covered by a plurality ofembodiments is in detail a combination relation or proportional relationobtained by a possible operation of a plurality of optical parameters ineach same embodiment. The relation is defined as E, and E is, forexample, A+B or A−B or A/B or A*B or (A*B)^(1/2), and E satisfies aconditional expression E≤γ₁ or E≥γ₂ or γ₂≤E≤γ₁, where each of γ₁ and γ₂is a value obtained by an operation of the optical parameter A and theoptical parameter B in a same embodiment, γ₁ is a maximum value amongthe plurality of the embodiments, and γ₂ is a minimum value among theplurality of the embodiments.The ranges of the aforementioned optical parameters, the aforementionedcomparative relations between the optical parameters, and a maximumvalue, a minimum value, and the numerical range between the maximumvalue and the minimum value of the aforementioned conditionalexpressions are all implementable and all belong to the scope disclosedby the invention. The aforementioned description is for exemplaryexplanation, but the invention is not limited thereto.

The embodiments of the invention are all implementable. In addition, acombination of partial features in a same embodiment can be selected,and the combination of partial features can achieve the unexpectedresult of the invention with respect to the prior art. The combinationof partial features includes but is not limited to the surface shape ofa lens element, a refracting power, a conditional expression or thelike, or a combination thereof. The description of the embodiments isfor explaining the specific embodiments of the principles of theinvention, but the invention is not limited thereto. Specifically, theembodiments and the drawings are for exemplifying, but the invention isnot limited thereto.

Additionally, the section headings herein are provided for consistencywith the suggestions under 37 C.F.R. 1.77 or otherwise to provideorganizational cues. These headings shall not limit or characterize theinvention(s) set out in any claims that may issue from this disclosure.Specifically, a description of a technology in the “Background” is notto be construed as an admission that technology is prior art to anyinvention(s) in this disclosure. Furthermore, any reference in thisdisclosure to “invention” in the singular should not be used to arguethat there is only a single point of novelty in this disclosure.Multiple inventions may be set forth according to the limitations of themultiple claims issuing from this disclosure, and such claimsaccordingly define the invention(s), and their equivalents, that areprotected thereby. In all instances, the scope of such claims shall beconsidered on their own merits in light of this disclosure, but shouldnot be constrained by the headings herein.

What is claimed is:
 1. An optical imaging lens, comprising a first lenselement, a second lens element, a third lens element, a fourth lenselement, a fifth lens element, a sixth lens element, a seventh lenselement, an eighth lens element and a ninth lens element sequentiallyfrom an object side to an image side along an optical axis, each of thefirst, second, third, fourth, fifth, sixth, seventh, eighth and ninthlens elements having an object-side surface facing toward the objectside and allowing imaging rays to pass through and an image-side surfacefacing toward the image side and allowing the imaging rays to passthrough, wherein: the first lens element has positive refracting power;a periphery region of the image-side surface of the third lens elementis convex; a periphery region of the image-side surface of the fourthlens element is convex; an optical axis region of the image-side surfaceof the sixth lens element is concave; an optical axis region of theobject-side surface of the seventh lens element is convex; an opticalaxis region of the object-side surface of the ninth lens element isconvex; an optical axis region of the image-side surface of the ninthlens element is concave; lens elements of the optical imaging lens areonly the nine lens elements describe above; and an average value ofthree thicknesses of lens elements from the seventh lens element to theninth lens element along the optical axis is represented by Tavg789, apopulation standard deviation of the three thicknesses of lens elementsfrom the seventh lens element to the ninth lens element along theoptical axis is represented by Tstd789, and the optical imaging lenssatisfies the inequality:Tavg789/Tstd789≥2.900.
 2. The optical imaging lens according to claim 1,wherein an average value of four thicknesses of lens elements from thesecond lens element to the fifth lens element along the optical axis isrepresented by Tavg2345, a population standard deviation of the fourthicknesses of lens elements from the second lens element to the fifthlens element along the optical axis is represented by Tstd2345, andTavg2345 and Tstd2345 satisfy the inequality:Tavg2345/Tstd2345≥2.200.
 3. The optical imaging lens according to claim1, wherein an effective focal length of the optical imaging lens isrepresented by EFL, an image height of the optical imaging lens isrepresented by ImgH, a distance from the object-side surface of thefirst lens element to the image-side surface of the fourth lens elementalong the optical axis is represented by D11t42, and EFL, ImgH andD11t42 satisfy the inequality:(EFL+ImgH)/D11t42≥4.000.
 4. The optical imaging lens according to claim1, wherein a thickness of the first lens element along the optical axisis represented by T1, a thickness of the second lens element along theoptical axis is represented by T2, a distance from the image-sidesurface of the second lens element to the object-side surface of thethird lens element along the optical axis is represented by G23, adistance from the image-side surface of the first lens element to theobject-side surface of the second lens element along the optical axis isrepresented by G12, and T1, T2, G23 and G12 satisfy the inequality:(T1+T2+G23)/G12≤4.900.
 5. The optical imaging lens according to claim 1,wherein a f-number of the optical imaging lens is represented by Fno, adistance from the object-side surface of the first lens element to animage plane along the optical axis is represented by TTL, a thickness ofthe sixth lens element along the optical axis is represented by T6, athickness of the seventh lens element along the optical axis isrepresented by T7, a thickness of the eighth lens element along theoptical axis is represented by T8, a thickness of the ninth lens elementalong the optical axis is represented by T9, and Fno, TTL, T6, T7, T8and T9 satisfy the inequality:Fno*TTL/(T6+T7+T8+T9)≤6.200.
 6. The optical imaging lens according toclaim 1, wherein a distance from the object-side surface of the secondlens element to the image-side surface of the fourth lens element alongthe optical axis is represented by D21t42, a distance from theobject-side surface of the fifth lens element to the image-side surfaceof the sixth lens element along the optical axis is represented byD51t62, a distance from the image-side surface of the fourth lenselement to the object-side surface of the fifth lens element along theoptical axis is represented by G45, a distance from the image-sidesurface of the sixth lens element to the object-side surface of theseventh lens element along the optical axis is represented by G67, andD21t42, D51t62, G45 and G67 satisfy the inequality:(D21t42+D51t62)/(G45+G67)≤5.200.
 7. The optical imaging lens accordingto claim 1, wherein a distance from the object-side surface of the firstlens element to the image-side surface of the sixth lens element alongthe optical axis is represented by D11t62, a maximum value of ninethicknesses of lens elements from the first lens element to the ninthlens element along the optical axis is represented by Tmax, a minimumvalue of the nine thicknesses of lens elements from the first lenselement to the ninth lens element along the optical axis is representedby Tmin, and D11t62, Tmax and Tmin satisfy the inequality:D11t62/(Tmax+Tmin)≤3.600.
 8. An optical imaging lens, comprising a firstlens element, a second lens element, a third lens element, a fourth lenselement, a fifth lens element, a sixth lens element, a seventh lenselement, an eighth lens element and a ninth lens element sequentiallyfrom an object side to an image side along an optical axis, each of thefirst, second, third, fourth, fifth, sixth, seventh, eighth and ninthlens elements having an object-side surface facing toward the objectside and allowing imaging rays to pass through and an image-side surfacefacing toward the image side and allowing the imaging rays to passthrough, wherein: the first lens element has positive refracting power,and a periphery region of the image-side surface of the first lenselement is concave; an optical axis region of the image-side surface ofthe third lens element is convex; a periphery region of the image-sidesurface of the fourth lens element is convex; an optical axis region ofthe object-side surface of the fifth lens element is concave; an opticalaxis region of the object-side surface of the seventh lens element isconvex; a periphery region of the object-side surface of the ninth lenselement is concave; lens elements of the optical imaging lens are onlythe nine lens elements describe above; and an average value of threethicknesses of lens elements from the seventh lens element to the ninthlens element along the optical axis is represented by Tavg789, apopulation standard deviation of the three thicknesses of lens elementsfrom the seventh lens element to the ninth lens element along theoptical axis is represented by Tstd789, and the optical imaging lenssatisfies the inequality:Tavg789/Tstd789≥2.900.
 9. The optical imaging lens according to claim 8,wherein an average value of three thicknesses of lens elements from thesecond lens element to the fourth lens element along the optical axis isrepresented by Tavg234, a population standard deviation of the threethicknesses of lens elements from the second lens element to the fourthlens element along the optical axis is represented by Tstd234, andTavg234 and Tstd234 satisfy the inequality:Tavg234/Tstd234≥2.300.
 10. The optical imaging lens according to claim8, wherein an Abbe number of the eighth lens element is represented byV8, an Abbe number of the ninth lens element is represented by V9, andV8 and V9 satisfy the inequality:V8+V9≤100.000.
 11. The optical imaging lens according to claim 8,wherein a distance from the object-side surface of the first lenselement to the image-side surface of the fourth lens element along theoptical axis is represented by D11t42, a distance from the image-sidesurface of the fourth lens element to the object-side surface of thefifth lens element along the optical axis is represented by G45, andD11t42 and G45 satisfy the inequality:D11t42/G45≤7.700.
 12. The optical imaging lens according to claim 8,wherein a sum of a distance from the image-side surface of the firstlens element to the object-side surface of the second lens element alongthe optical axis, a distance from the image-side surface of the secondlens element to the object-side surface of the third lens element alongthe optical axis, a distance from the image-side surface of the thirdlens element to the object-side surface of the fourth lens element alongthe optical axis, a distance from the image-side surface of the fourthlens element to the object-side surface of the fifth lens element alongthe optical axis, a distance from the image-side surface of the fifthlens element to the object-side surface of the sixth lens element alongthe optical axis, a distance from the image-side surface of the sixthlens element to the object-side surface of the seventh lens elementalong the optical axis, a distance from the image-side surface of theseventh lens element to the object-side surface of the eighth lenselement along the optical axis and a distance from the image-sidesurface of the eighth lens element to the object-side surface of theninth lens element along the optical axis is represented by AAG, adistance from the image-side surface of the ninth lens element to animage plane along the optical axis is represented by BFL, a thickness ofthe first lens element along the optical axis is represented by T1, athickness of the third lens element along the optical axis isrepresented by T3, and AAG, BFL, T1 and T3 satisfy the inequality:(AAG+BFL)/(T1+T3)≤3.100.
 13. The optical imaging lens according to claim8, wherein a f-number of the optical imaging lens is represented by Fno,a distance from the object-side surface of the second lens element tothe image-side surface of the fourth lens element along the optical axisis represented by D21t42, a distance from the object-side surface of thefifth lens element to the image-side surface of the sixth lens elementalong the optical axis is represented by D51t62, a thickness of thefirst lens element along the optical axis is represented by T1, adistance from the image-side surface of the first lens element to theobject-side surface of the second lens element along the optical axis isrepresented by G12, and Fno, D21t42, D51t62, T1 and G12 satisfy theinequality:Fno*(D21t42+D51t62)/(T1+G12)≤3.900.
 14. The optical imaging lensaccording to claim 8, wherein a f-number of the optical imaging lens isrepresented by Fno, a distance from the object-side surface of the firstlens element to the image-side surface of the sixth lens element alongthe optical axis is represented by D11t62, a distance from theimage-side surface of the seventh lens element to the image-side surfaceof the ninth lens element along the optical axis is represented byD72t92, and Fno, D11t62 and D72t92 satisfy the inequality:Fno*D11t62/D72t92≤4.100.
 15. An optical imaging lens, comprising a firstlens element, a second lens element, a third lens element, a fourth lenselement, a fifth lens element, a sixth lens element, a seventh lenselement, an eighth lens element and a ninth lens element sequentiallyfrom an object side to an image side along an optical axis, each of thefirst, second, third, fourth, fifth, sixth, seventh, eighth and ninthlens elements having an object-side surface facing toward the objectside and allowing imaging rays to pass through and an image-side surfacefacing toward the image side and allowing the imaging rays to passthrough, wherein: the first lens element has positive refracting power;an optical axis region of the image-side surface of the third lenselement is convex, and a periphery region of the image-side surface ofthe third lens element is convex; an optical axis region of theobject-side surface of the fifth lens element is concave; an opticalaxis region of the image-side surface of the sixth lens element isconcave; a periphery region of the object-side surface of the ninth lenselement is concave; lens elements of the optical imaging lens are onlythe nine lens elements describe above; and an average value of threethicknesses of lens elements from the seventh lens element to the ninthlens element along the optical axis is represented by Tavg789, apopulation standard deviation of the three thicknesses of lens elementsfrom the seventh lens element to the ninth lens element along theoptical axis is represented by Tstd789, and the optical imaging lenssatisfies the inequality:Tavg789/Tstd789≥2.900.
 16. The optical imaging lens according to claim15, wherein an entrance pupil diameter of the optical imaging lens isrepresented by EPD, a distance from the object-side surface of the firstlens element to the image-side surface of the ninth lens element alongthe optical axis is represented by TL, a distance from the object-sidesurface of the first lens element to the image-side surface of thefourth lens element along the optical axis is represented by D11t42, andEPD, TL and D11t42 satisfy the inequality:(EPD+TL)/D11t42≥3.800.
 17. The optical imaging lens according to claim15, wherein a distance from the object-side surface of the fifth lenselement to the image-side surface of the sixth lens element along theoptical axis is represented by D51t62, a distance from the image-sidesurface of the sixth lens element to the object-side surface of theseventh lens element along the optical axis is represented by G67, andD51t62 and G67 satisfy the inequality:D51t62/G67≤7.500.
 18. The optical imaging lens according to claim 15,wherein a sum of thicknesses of all nine lens elements along the opticalaxis is represented by ALT, a thickness of the third lens element alongthe optical axis is represented by T3, a thickness of the seventh lenselement along the optical axis is represented by T7, a thickness of theninth lens element along the optical axis is represented by T9, and ALT,T3, T7 and T9 satisfy the inequality:ALT/(T3+T7+T9)≤2.900.
 19. The optical imaging lens according to claim15, wherein a thickness of the second lens element along the opticalaxis is represented by T2, a distance from the image-side surface of thesecond lens element to the object-side surface of the third lens elementalong the optical axis is represented by G23, a thickness of the fifthlens element along the optical axis is represented by T5, a distancefrom the image-side surface of the fifth lens element to the object-sidesurface of the sixth lens element along the optical axis is representedby G56, a thickness of the third lens element along the optical axis isrepresented by T3, and T2, G23, T5, G56 and T3 satisfy the inequality:(T2+G23+T5+G56)/T3≤2.100.
 20. The optical imaging lens according toclaim 15, wherein a half field of view of the optical imaging lens isrepresented by HFOV, a f-number of the optical imaging lens isrepresented by Fno, and HFOV and Fno satisfy the inequality:HFOV/Fno≥22.000 degrees.